ASTM A312 TP316L Stainless steel seamless pipe
Grade 316L is an austenitic stainless steel that can operate from 450 degrees Celsius to 850 degrees Celsius roughly. The range differs depending on the pressure of a system, the components flowing inside the pipe and the environment outside it. Marine environment is full of chloride ions and the wind and water are salty.
The salty conditions catalyze all forms of corrosions because they act as a medium for electron transfer for oxidation and reduction chemical reactions. The 316L stainless steel pipe has a lower carbon content than the ASTM A312 TP316 which means, there is less intergranular precipitation and local corrosion due to welding. Also, the material has molybdenum in addition to chromium and nickel which is specifically resistant to chloride ion stress corrosion.
316L Stainless Steel Pipe Specification
ข้อกำหนดมาตรฐาน | ASTM A312 TP316L ASME SA312 TP316L |
ขนาด | ½ to 6 Inch Nominal Bore |
Schedule Pipe Thickness Range | กำหนดการ 60, Xs, กำหนดการ 160, กำหนดการ 120, STD, กำหนดการ 40, กำหนดการ 140, กำหนดการ 20, กำหนดการ 80, กำหนดการ 80, xxs, กำหนดการ 30, Supplier in Mumbai |
ความหนาของผนัง | 0.1 – 60 มม |
ความยาว | Single Random Length 5 ถึง 7 MeterDouble Random Length 10 – 12 Meter |
มาตรฐาน | จาก, เขา, มาตรฐาน ASTM, กิกะไบต์, ASME, เอไอเอส, AMS, ใน, GOST |
Types | เชื่อม, ไร้รอยต่อ, เอเคอร์, EFW Supplier and Manufacturer |
Manufacturing Shapes | Round, Box Section, Square, Rectangle |
พื้นผิวเสร็จสิ้น | ขัดเงา, Bright, Annealing, Cold Finish, การดอง |
Technique | Cold Rolled Hot Rolled |
Manufacturing Technology | Hot Cold Formed |
316L SS Seamless Pipe Equivalent Material
STANDARD | WERKSTOFF NR. | เรา | เขา | BS | GOST | AFNOR | ใน |
SS 316L | 1.4404 / 1.4435 | S31603 | SUS 316L | 316S11 / 316S13 | 03Ch17N14M3 / 03Ch17N14M2 | Z3CND17-11-02 / Z3CND18-14-03 | X2CrNiMo17-12-2 / X2CrNiMo18-14-3 |
Composition Standard of ASTM A312 TP 316L Pipe
ระดับ | ค | มน | และ | ป | ส | Cr | Mo | ใน | Fe |
SS 316L | 0.035 สูงสุด | 2.0 สูงสุด | 1.0 สูงสุด | 0.045 สูงสุด | 0.030 สูงสุด | 16.00 – 18.00 | 2.00 – 3.00 | 10.00 – 14.00 | 68.89 นาที |
Mechanical Properties of ASTM A312 TP 316L Stainless Steel Seamless Pipe
ระดับ | Tensile Strength(Mpa) | Yield Point(Mpa) | การยืดตัว(%) |
316ล | 485 | 170 | 35 |
Physical Properties of ASTM A312 TP 316L Stainless Steel Seamless Pipe
GRADE | DENSITY (KG/M3) | ELASTIC MODULUS (GPA) | MEAN CO-EFF OF THERMAL EXPANSION (ΜM/M/°C) | THERMAL CONDUCTIVITY (W/M.K) | SPECIFIC HEAT 0-100°C (J/KG.K) | ELEC RESISTIVITY (NΩ.M) | |||
0-100° C | 0-315° C | 0-538° C | AT 100°C | AT 500°C | |||||
316L/H | 8000 | 193 | 15.9 | 16.2 | 17.5 | 16.3 | 21.5 | 500 | 74 |
ASTM A312 TP316L PIPE SIZE CHART
NPS | O.D. (in) | 10 | 160 | 80 | 40 |
1/8″ | .405 | .049 | .095 | .068 | |
1/4″ | .540 | .065 | .119 | .088 | |
3/8″ | .675 | .065 | .126 | .091 | |
1/2″ | .840 | .083 | .187 | .147 | .109 |
3/4″ | 1.050 | .083 | .218 | .154 | .113 |
1″ | 1.315 | .109 | .250 | .179 | .133 |
1 1/4″ | 1.660 | .109 | .250 | .191 | .140 |
1 1/2″ | 1.900 | .109 | .281 | .200 | .145 |
2″ | 2.375 | .109 | .343 | .218 | .154 |
2 1/2″ | 2.875 | .120 | .375 | .276 | .203 |
3″ | 3.500 | .120 | .437 | .300 | .216 |
3 1/2″ | 4.000 | .120 | .318 | .226 | |
4″ | 4.500 | .120 | .531 | .337 | .237 |
4 1/2″ | 5.000 | ||||
5″ | 5.563 | .134 | .625 | .375 | .258 |
6″ | 6.625 | .134 | .718 | .432 | .280 |
7″ | 7.625 | ||||
8″ | 8.625 | .148 | .906 | .500 | .322 |
9″ | 9.625 | ||||
10″ | 10.750 | .165 | 1.125 | .593 | .365 |
11″ | 11.750 | ||||
12″ | 12.750 | .180 | 1.312 | .687 | .406 |
14″ | 14.000 | .250 | 1.406 | .750 | .437 |
16″ | 16.000 | .250 | 1.593 | .843 | .500 |
18″ | 18.000 | .250 | 1.781 | .937 | .562 |
ASTM A312 Stainless Steel Pipe Tolerances
OD | ความอดทน | WTH, มม | ความยาว, มม |
10.3 ถึง 48.3 | +0.40/-0.80 | +/-12.5%t | +6/-0 |
over 48.3 ถึง 114.3 | +0.80/-0.08 | ||
over 114.3 ถึง 219.1 | +1.60/-0.80 | ||
over 219.1 ถึง 457.2 | +2.40/-0.80 | ||
over 457.2 ถึง 660.4 | +3.20/-0.80 | ||
over 660.4 ถึง 864 | +4.00/-0.08 | ||
over 864 ถึง 1219.2 | +4.80/-0.08 |
Wall Thickness tolerance of ASTM A312 TP316L
NPS | Wall Thickness Tolerance, % |
1/8 To 2-1/2 Incl., All T/D Ratios | Over 20.2 Under 12.5 |
Over 3 To 18 Incl., T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
Over 3 To 18, Incl., T/D > 5% | Over 15.0 Under 12.5 |
20 And Large, เชื่อม, All T/D Ratios | Over 17.5 Under 12.5 |
20 And Large, ไร้รอยต่อ, T/D Up To 5% Incl. | Over 22.5 Under 12.5 |
>20 And Large, ไร้รอยต่อ, T/D > 5% | Over 15.0 Under 12.5 |
316l stainless steel pipe pressure rating
e Size (inches) | Pipe Schedule | ข้างนอก เส้นผ่าศูนย์กลาง (in) | Wall ความหนา (in) | Pressure Rating (ป.ล.) | ||||||||
อุณหภูมิ (ของ) | ||||||||||||
100 | 200 | 300 | 400 | 500 | 600 | 650 | 700 | 750 | ||||
Allowable Stress (ปอนด์ต่อตารางนิ้ว) | ||||||||||||
16700 | 16700 | 16700 | 15500 | 14400 | 13500 | 13200 | 12900 | 12600 | ||||
1″ | 40 | 1.315 | 0.133 | 2205 | 2205 | 2205 | 2047 | 1902 | 1783 | 1743 | 1703 | 1664 |
80 | 1.315 | 0.179 | 3061 | 3061 | 3061 | 2841 | 2640 | 2475 | 2420 | 2365 | 2310 | |
160 | 1.315 | 0.250 | 4493 | 4493 | 4493 | 4170 | 3874 | 3632 | 3552 | 3471 | 3390 | |
1 1/2″ | 40 | 1.900 | 0.145 | 1629 | 1629 | 1629 | 1512 | 1404 | 1317 | 1287 | 1258 | 1229 |
80 | 1.900 | 0.200 | 2303 | 2303 | 2303 | 2138 | 1986 | 1862 | 1821 | 1779 | 1738 | |
160 | 1.900 | 0.281 | 3362 | 3362 | 3362 | 3120 | 2899 | 2717 | 2657 | 2597 | 2536 | |
2″ | 40 | 2.375 | 0.154 | 1371 | 1371 | 1371 | 1272 | 1182 | 1108 | 1083 | 1059 | 1034 |
80 | 2.375 | 0.218 | 1985 | 1985 | 1985 | 1843 | 1712 | 1605 | 1569 | 1534 | 1498 | |
160 | 2.375 | 0.344 | 3283 | 3283 | 3283 | 3047 | 2831 | 2654 | 2595 | 2536 | 2477 | |
3″ | 40 | 3.500 | 0.216 | 1301 | 1301 | 1301 | 1208 | 1122 | 1052 | 1028 | 1005 | 982 |
80 | 3.500 | 0.300 | 1844 | 1844 | 1844 | 1712 | 1590 | 1491 | 1458 | 1425 | 1391 | |
160 | 3.500 | 0.438 | 2787 | 2787 | 2787 | 2587 | 2403 | 2253 | 2203 | 2153 | 2103 | |
4″ | 40 | 4.500 | 0.237 | 1102 | 1102 | 1102 | 1023 | 950 | 891 | 871 | 851 | 831 |
80 | 4.500 | 0.337 | 1596 | 1596 | 1596 | 1482 | 1377 | 1291 | 1262 | 1233 | 1204 | |
160 | 4.500 | 0.531 | 2611 | 2611 | 2611 | 2424 | 2552 | 2111 | 2064 | 2017 | 1970 | |
5″ | 40 | 5.563 | 0.258 | 965 | 965 | 965 | 896 | 832 | 780 | 763 | 746 | 728 |
80 | 5.563 | 0.375 | 1428 | 1428 | 1428 | 1325 | 1231 | 1154 | 1129 | 1103 | 1077 | |
160 | 5.563 | 0.625 | 2474 | 2474 | 2474 | 2296 | 2133 | 2000 | 1955 | 1911 | 1866 | |
6″ | 40 | 6.625 | 0.280 | 877 | 877 | 877 | 814 | 756 | 709 | 693 | 677 | 661 |
80 | 6.625 | 0.432 | 1379 | 1379 | 1379 | 1280 | 1189 | 1115 | 1090 | 1065 | 1040 | |
160 | 6.625 | 0.719 | 2382 | 2382 | 2382 | 2211 | 2054 | 1925 | 1883 | 1840 | 1797 | |
8″ | 40 | 8.625 | 0.322 | 771 | 771 | 771 | 716 | 665 | 623 | 610 | 596 | 582 |
80 | 8.625 | 0.500 | 1218 | 1218 | 1218 | 1131 | 1050 | 985 | 963 | 941 | 919 | |
160 | 8.625 | 0.906 | 2298 | 2298 | 2298 | 2133 | 1982 | 1858 | 1817 | 1775 | 1734 | |
10″ | 40 | 10.750 | 0.365 | 699 | 699 | 699 | 649 | 603 | 565 | 553 | 540 | 528 |
80 | 10.750 | 0.594 | 1159 | 1159 | 1159 | 1075 | 999 | 937 | 916 | 895 | 874 | |
160 | 10.750 | 1.125 | 2289 | 2289 | 2289 | 2124 | 1974 | 1850 | 1809 | 1768 | 1727 |
ASTM A312 TP 316L Stainless Steel Pipe Roughness
Material Surface | Absolute Roughness Coefficient ε mm |
Aluminum Alloy, Lead | 0.001 – 0.002 |
Drawn Copper/ Brass | 0.0015 |
316L Stainless Steel | 0.015 |
Heat Treatment
ASTM A312 TP316L grade minimum solution temperature is 1040 degree, then and cool rapidly, it can not be harden by annealing, both seamless and welded stainless steel pipes shall be furnished in heat treatment condition comply to ASTM A312 specification.
316L Stainless Steel Seamless Pipes Applications
Trailers
เครื่องแลกเปลี่ยนความร้อน
อุปกรณ์แปรรูปอาหาร
Kitchen benches, sinks, troughs, equipment and appliances
construction materials
Threaded fasteners
Chemical containers, including for transport
Automotive trim
Architectural applications
Railway cars
Woven or welded screens for mining, quarrying & water filtration
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